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Research Article

Modeling Host-Microbiome Interactions in Caenorhabditis elegans

The microbiome influences host processes including nutritional availability, development, immunity, and behavioral responses. Caenorhabditis elegans is a powerful model to study molecular mechanisms of host–microbial interactions. Recent efforts have been made to profile the natural microbiome of C. elegans, laying a foundation for mechanistic studies of host–microbiome interactions in this genetically tractable model system. Studies using single-species microbes, multi-microbial systems, and

TEKLU K. GERBABA, LUKE GREEN-HARRISON, ANDRE G. BURET

Journal of Nematology , ISSUE 4, 348–356

Research Article

THE HUMAN MICROBIOME

The human microbiome is represented by bacteria, archea, viruses, including bacteriophages, and fungi. These microorganisms colonize the human body and are necessary for the maintenance of homeostasis, including human immune status. Even though human microbiome is vital for the functioning of the human organism, it is still poorly understood, especially when it comes to archea, but also viruses and fungi. The aim of this study is to present the current state of knowlegde about the

Magdalena Malinowska, Beata Tokarz-Deptuła, Wiesław Deptuła

Postępy Mikrobiologii - Advancements of Microbiology , ISSUE 1, 33–42

Article

MICROBIOME OF THE WOMEN’S GENITAL SYSTEM

large intestine, where in 1 ml of the content there are on average 1012 microbial cells [25, 58]. Currently, the term microbiome refers to the set of genomes of archaea, commensal, symbiotic and pathogenic bacteria and fungi as well as viruses in the human environment. Clarification of this term became possible thanks to the development of molecular biology and genetic engineering, in particular metagenomic sequencing [32, 50, 58]. Acquiring knowledge of the microbiome revealed the presence of many

Monika Pytka, Monika Kordowska-Wiater, Piotr Jarocki

Postępy Mikrobiologii - Advancements of Microbiology , ISSUE 3, 227–236

Article

THE RHIZOSPHERE MICROBIOME AND ITS BENEFICIAL EFFECTS ON PLANTS – CURRENT KNOWLEDGE AND PERSPECTIVES

located inside plant tissues, whether in the leaves, roots or stems, are called endophytes [71, 90]. Microorganisms play a key role in the correct conduct of most processes occurring on Earth. Plant microbiome affects the viability of plants and is therefore one of the main indicators of plant productivity [9, 90]. Comprehensive studies targeting plant microbiome may contribute to reducing the incidence of plant diseases, increasing agricultural production and reducing the amount of chemical

Małgorzata Woźniak, Anna Gałązka

Postępy Mikrobiologii - Advancements of Microbiology , ISSUE 1, 59–69

Original Paper

Comparison of Microbial Communities Associated with Halophyte (Salsola stocksii) and Non-Halophyte (Triticum aestivum) Using Culture-Independent Approache

Halophyte microbiome contributes significantly to plant performance and can provide information regarding complex ecological processes involved in osmoregulation of these plants. The objective of this study is to investigate the microbiomes associated with belowground (rhizo­sphere), internal (endosphere) and aboveground (phyllosphere) tissues of halophyte (Salsola stocksii) through metagenomics approach. Plant samples were collected from Khewra Salt Mines. The metagenomic DNA from soil

Salma Mukhtar, Ayesha Ishaq, Sara Hassan, Samina Mehnaz, Muhammad S. Mirza, Kauser A. Malik

Polish Journal of Microbiology , ISSUE 3, 353–364

Mini Review

Application of Metagenomic Analyses in Dentistry as a Novel Strategy Enabling Complex Insight into Microbial Diversity of the Oral Cavity

The composition of the oral microbiome in healthy individuals is complex and dynamic, and depends on many factors, such as anatomi­cal location in the oral cavity, diet, oral hygiene habits or host immune responses. It is estimated at present that worldwide about 2 billion people suffer from diseases of the oral cavity, mainly periodontal disease and dental caries. Importantly, the oral microflora involved in local infections may spread and cause systemic, even life-threatening infections

Aleksandra Burczyńska, Łukasz Dziewit, Przemysław Decewicz, Izabela Strużycka, Marta Wróblewska

Polish Journal of Microbiology , ISSUE 1, 9–15

Research Article

BIOCHEMICAL METHODS FOR THE EVALUATION OF THE FUNCTIONAL AND STRUCTURAL DIVERSITY OF MICROORGANISMS IN THE SOIL ENVIRONMENT

Soil microbiome is composed of groups of microorganisms which are structurally and functionally very different. For many years soil microbiome has been the subject of numerous studies, but still is not fully recognized. It is well known that soil microorganisms play a key role in biogeochemical processes. Knowledge of their structural and functional diversity makes it possible to assess the condition of the soil environment, which is extremely important for agronomy and ecology. The

Karolina Furtak, Anna M. Gajda

Postępy Mikrobiologii - Advancements of Microbiology , ISSUE 2, 194–202

original-paper

In situ Impact of the Antagonistic Fungal Strain, Trichoderma gamsii T30 on the Plant Pathogenic Fungus, Rhizoctonia solani in Soil

the presence of the general microbiome that may entail several antagonistic microorganisms (Steinberg et al. 2007). Trichoderma spp. are known for their antagonistic effects using multiple mechanisms. Here, we reported the impact of T. gamsii strain T30, a bio-control strain, on the population density of R. solani G6 in different ratios in soil under in situ conditions in the absence of a plant host. The assays were conducted in the artificially prepared microcosms containing the autoclaved or non

MUHAMMAD ANEES, MUHAMMAD ABID, SOBIA CHOHAN, MUHAMMAD JAMIL, NADEEM AHMED, LIXIN ZHANG, EUI SHIK RHA

Polish Journal of Microbiology , ISSUE 2, 211–216

Review

The gut microbiota in neuropsychiatric disorders

The purpose of this review is to summarize current knowledge about the gut microbiota in neuropsychiatric disorders. It is estimated that the human gut is colonized by up to 1018 microorganisms, mostly anaerobic bacteria. The gut microbiome is responsible for multiple functions, e.g. tightness of the intestine barrier, digestion and absorption. The correlation between gut dysbiosis and development of psychiatric, autoimmune and allergic diseases as well as bidirectional communication between

Marta Grochowska, Marcin Wojnar, Marek Radkowski

Acta Neurobiologiae Experimentalis , ISSUE 2, 69–81

Research Article

COAGULASE-POSITIVE SPECIES OF THE GENUS STAPHYLOCOCCUS – TAXONOMY, PATHOGENICITY

Staphylococci constitute an important component of the human microbiome. Most of them are coagulase-negative species, whose importance in the pathogenesis of human infections has been widely recognized and is being documented on a regular basis. Until recently, the only well-known coagulase-positive staphylococcus species recognized as human pathogen was Staphylococcus aureus. Previously, the ability to produce coagulase was used as its basic diagnostic feature, because other coagulase-positive

Wioletta Kmieciak, Eligia Maria Szewczyk

Postępy Mikrobiologii - Advancements of Microbiology , ISSUE 2, 233–244

original-paper

The Effect of Lactobacillus salivarius SGL03 on Clinical and Microbiological Parameters in Periodontal Patients

MAŁGORZATA NĘDZI-GÓRA, MARTA WRÓBLEWSKA, RENATA GÓRSKA

Polish Journal of Microbiology , 1–11

Research paper

Energy-dense diet triggers changes in gut microbiota, reorganization of gut-brain vagal communication and increases body fat accumulation

fat accumulation. Proteobacteria isolated from cecum of HFD rats were toxic to vagal afferent neurons in culture. Our findings show that diet-induced shift in gut microbiome may disrupt vagal gut-brain communication resulting in microglia activation and increased body fat accumulation.

Alexandra C. Vaughn, Erin M. Cooper, Patricia M. DiLorenzo, Levi J. O’Loughlin, Michael E. Konkel, James H. Peters, Andras Hajnal, Tanusree Sen, Sun Hye Lee, Claire B. de La Serre, Krzysztof Czaja

Acta Neurobiologiae Experimentalis , ISSUE 1, 18–30

Research Article

A Model for Evolutionary Ecology of Disease: The Case for Caenorhabditis Nematodes and Their Natural Parasites

AMANDA K. GIBSON, LEVI T. MORRAN

Journal of Nematology , ISSUE 4, 357–372

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